Time travel into uncharted worlds with a bold design that transports you to near-future sci-fi sensations. Inspired by the pages of science fiction, the crisp and clean white design is accented with touches of blue and purple. The bezel is printed with glow-in-the-dark paint that makes the G-SHOCK logo appear in the dark. Choose from the classic digital DW-B5600, the new digital-analog combination GA-B001, and the capsule-tough G-B001. All pair with your smartphone via Bluetooth. Case / bezel material: Resin Resin Band Mineral Glass Shock Resistant 200-meter water resistance Double LED light LED backlight (Super Illuminator)Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglowLED:White Mobile link (Wireless linking using Bluetooth®) World time 38 time zones (38 cities + coordinated universal time), city code display, city name display, daylight saving on/off, auto summer time (DST) switching, Home city/World time city swapping 1/100-second stopwatchMeasuring capacity: 00'00''00~59'59''99 (for the first 60 minutes)1:00'00~23:59'59 (after 60 minutes)Measuring unit: 1/100 second (for the first 60 minutes)1 second (after 60 minutes)Measuring modes: Elapsed time, split time, 1st-2nd place times Countdown timer Measuring unit: 1 secondCountdown range: 24 hoursCountdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments) 5 daily alarms Hourly time signal Full auto-calendar (to year 2099) 12/24-hour format Button operation tone on/off Date/month display swapping Day display (days of the week selectable in six languages) Regular timekeeping: Hour, minute, second, pm, month, date, day Accuracy: +/-15 seconds per month (with no mobile link function) Approx. battery life: 3 years on CR2016 Size of case : 48.9 x 42.8 x 13.4 mm Total weight : 53 g